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- W2360521350 abstract "Landfill leachate was treated by the process of porous ceramic microfiltration membrane and two steps reverse osmosis,and the relationship between removal rate of COD,NH3-N,electrical conductivity and operating time in porous ceramic microfiltration membrane,one-stage RO and two-stage RO were investigated,the study also focused on the recovery rate of one-stage reverse osmosis system control and cleaning cycles and methods.Results indicated that after ceramic microfiltration pretreatment,the effluent removal rate of COD,NH3-N and desalination rate remained above 50.3%,30.2% and 30.1% respectively.Through one-stage reverse osmosis treatment,the effluent removal rate of COD,NH3-N and desalination rate remained above 94.8%,91.3% and 81.6% respectively.Through two-stage reverse osmosis treatment,the effluent removal rate of COD,NH3-N and desalination rate remained above 80.1%,81.3% and 85.1% respectively.After the process of porous ceramic microfiltration and two steps reverse osmosis,COD,NH3-N and conductivity of the effluent water of landfill leachate was below 30 mg/L,25 mg/L and 180 μm/cm respectively,with effluent quality satisfactory to MSW Landfill Pollution Control Standard of GB16889-2008.One-stage reverse osmosis system cleaning cycle is 400min,recovery rate should be controlled at 65%～70%,the union of alkali washing and acid pickling is more conductive to reverse osmosis membrane flux recovery.The flux of membrane can be restored to 95% of the flux of the new membrane." @default.
- W2360521350 created "2016-06-24" @default.
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- W2360521350 date "2011-01-01" @default.
- W2360521350 modified "2023-09-23" @default.
- W2360521350 title "Research and Application of Landfill Leachate Treatment Based on Technology of Microfiltration and Reverse Osmosis" @default.
- W2360521350 hasPublicationYear "2011" @default.
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